CA1196382A - Circuit de mesure de courants pour commandes de moteur - Google Patents
Circuit de mesure de courants pour commandes de moteurInfo
- Publication number
- CA1196382A CA1196382A CA000434949A CA434949A CA1196382A CA 1196382 A CA1196382 A CA 1196382A CA 000434949 A CA000434949 A CA 000434949A CA 434949 A CA434949 A CA 434949A CA 1196382 A CA1196382 A CA 1196382A
- Authority
- CA
- Canada
- Prior art keywords
- isolation transformer
- current
- voltage
- sensing circuit
- current sensing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/525—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Electric Motors In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US416,356 | 1982-09-08 | ||
US06/416,356 US4461987A (en) | 1982-09-08 | 1982-09-08 | Current sensing circuit for motor controls |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1196382A true CA1196382A (fr) | 1985-11-05 |
Family
ID=23649631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000434949A Expired CA1196382A (fr) | 1982-09-08 | 1983-08-19 | Circuit de mesure de courants pour commandes de moteur |
Country Status (6)
Country | Link |
---|---|
US (1) | US4461987A (fr) |
EP (1) | EP0102623A1 (fr) |
JP (1) | JPS5965771A (fr) |
KR (1) | KR840005942A (fr) |
BR (1) | BR8304853A (fr) |
CA (1) | CA1196382A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2231105B (en) * | 1989-04-24 | 1993-04-14 | Sealol | Drained face seal |
US5295037A (en) * | 1992-01-27 | 1994-03-15 | General Electric Company | Molded case circuit breaker-process loop unit |
US7388735B2 (en) * | 2005-12-24 | 2008-06-17 | Dinjoker Co., Ltd. | Current inductive timer socket |
RU2601262C2 (ru) * | 2012-10-17 | 2016-10-27 | Родэ Унд Шварц Гмбх Унд Ко. Кг | Способ и устройство широкополосной связи с высоким уровнем (гальванической) развязки |
KR101444371B1 (ko) * | 2013-01-18 | 2014-09-24 | (주)테라에너지시스템 | 전자기 유도 방식 전원 공급 장치 |
CN109541272B (zh) * | 2018-12-22 | 2024-04-19 | 蚌埠学院 | 一种基于变压器耦合的模拟信号隔离方法及隔离电路 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1178239A (en) * | 1966-12-30 | 1970-01-21 | British Iron Steel Research | Electric motor regulating systems. |
AT300108B (de) * | 1967-07-01 | 1972-07-10 | Siemens Ag | Gleichspannungswandler mit einer Brückenschaltung mit vormagnetisierten Feldplatten |
GB1215248A (en) * | 1967-12-12 | 1970-12-09 | Siemens Ag | Arrangements for short-circuit indication or protection in unidirectional-voltage supply systems |
GB1253829A (en) * | 1968-10-24 | 1971-11-17 | Bradley Ltd G & E | Improvements in or relating to amplitude modulators |
US4027239A (en) * | 1975-11-25 | 1977-05-31 | The United States Of America As Represented By The United States Energy Research And Development Administration | Current level detector |
US4206397A (en) * | 1978-03-13 | 1980-06-03 | Rosemount Inc. | Two wire current transmitter with improved voltage regulator |
JPS5928148B2 (ja) * | 1978-12-30 | 1984-07-11 | ファナック株式会社 | 誘導電動機の運転制御装置 |
US4333046A (en) * | 1979-08-15 | 1982-06-01 | The Scott & Fetzer Company | Power factor control of a three-phase induction motor |
US4404511A (en) * | 1980-10-23 | 1983-09-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Motor power factor controller with a reduced voltage starter |
US4400657A (en) * | 1981-11-30 | 1983-08-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Triac failure detector |
-
1982
- 1982-09-08 US US06/416,356 patent/US4461987A/en not_active Expired - Fee Related
-
1983
- 1983-08-19 CA CA000434949A patent/CA1196382A/fr not_active Expired
- 1983-09-01 EP EP83108608A patent/EP0102623A1/fr not_active Withdrawn
- 1983-09-06 BR BR8304853A patent/BR8304853A/pt unknown
- 1983-09-08 KR KR1019830004221A patent/KR840005942A/ko not_active Application Discontinuation
- 1983-09-08 JP JP58164291A patent/JPS5965771A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4461987A (en) | 1984-07-24 |
JPS5965771A (ja) | 1984-04-14 |
BR8304853A (pt) | 1984-04-24 |
KR840005942A (ko) | 1984-11-19 |
EP0102623A1 (fr) | 1984-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEC | Expiry (correction) | ||
MKEX | Expiry |